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Effect of interface chemistry on charge injection and trapping in polyethylene blend

Effect of interface chemistry on charge injection and trapping in polyethylene blend
Effect of interface chemistry on charge injection and trapping in polyethylene blend
The electrical characteristics of dielectric surfaces are important in determining overall electrical performance. In this work, one surface of polyethylene blend films was treated at a high temperature for various times to modify the local chemistry. Confocal Raman microprobe spectroscopy was subsequently employed to detect signatures of ageing at the surface and through bulk of specimens. The pulsed electro-acoustic (PEA) method was used to investigate charge injection and trapping processes. The results demonstrate that chemical changes resulting from ageing cause dramatic and abrupt changes in the charge transport dynamics within the system.
thermal ageing, polyethylene, charge transport, space charge
Tantipattarakul, Somyot
ce711fa4-35a2-4880-a83e-fd10e4bc3cfb
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Andritsch, Thomas
8681e640-e584-424e-a1f1-0d8b713de01c
Tantipattarakul, Somyot
ce711fa4-35a2-4880-a83e-fd10e4bc3cfb
Vaughan, Alun
6d813b66-17f9-4864-9763-25a6d659d8a3
Andritsch, Thomas
8681e640-e584-424e-a1f1-0d8b713de01c

Tantipattarakul, Somyot, Vaughan, Alun and Andritsch, Thomas (2017) Effect of interface chemistry on charge injection and trapping in polyethylene blend. Jicable HVDC’17, France. 20 - 22 Nov 2017.

Record type: Conference or Workshop Item (Paper)

Abstract

The electrical characteristics of dielectric surfaces are important in determining overall electrical performance. In this work, one surface of polyethylene blend films was treated at a high temperature for various times to modify the local chemistry. Confocal Raman microprobe spectroscopy was subsequently employed to detect signatures of ageing at the surface and through bulk of specimens. The pulsed electro-acoustic (PEA) method was used to investigate charge injection and trapping processes. The results demonstrate that chemical changes resulting from ageing cause dramatic and abrupt changes in the charge transport dynamics within the system.

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JIC17_YRC17
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Published date: 20 November 2017
Venue - Dates: Jicable HVDC’17, France, 2017-11-20 - 2017-11-22
Keywords: thermal ageing, polyethylene, charge transport, space charge

Identifiers

Local EPrints ID: 426270
URI: http://eprints.soton.ac.uk/id/eprint/426270
PURE UUID: 1479dfd9-4860-4420-8fec-2258ff38f3cf
ORCID for Somyot Tantipattarakul: ORCID iD orcid.org/0000-0001-5814-1277
ORCID for Alun Vaughan: ORCID iD orcid.org/0000-0002-0535-513X
ORCID for Thomas Andritsch: ORCID iD orcid.org/0000-0002-3462-022X

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Date deposited: 21 Nov 2018 17:30
Last modified: 18 Feb 2021 17:22

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